Dina Lohan Blames Lindsay's Downfall on Heath Ledger Dying

In the latest leaked phone tape involving the insane Lohan family, Lindsay's awful mom Dina says Lindsay was dating Heath Ledger when he died in January 2008.

His death devastated her, according to Dina. This was among the more explosive revelations in the leaked phone conversation between Dina and Michael Lohan.

"She was dating Heath when he died," Dina reveals. "I don't know if you know that, but I know 'cause I would drop her off. They were friends. Very, very close, OK?"

She said that the actor's death "really f----d her up."

For what it's worth, it's unclear what the extent of the celebs' relationship was, but Lindsay Lohan and Heath Ledger were romantically linked in December 2007.

Dina feared for Lindsay's life, too: "Because when she's drunk or takes an Adderall with it she will do something like Heath did in a second without thinking."

Were Lindsay in Heath really in a relationship?

In the 2008 call, Dina discusses how desperate the situation was for her daughter. "She cannot be alone," Dina tells Michael. "When she sleeps here she sleeps with me... she has fears from being little and what you did to us."

Dina also defends Lindsay's former assistant Jenni Muro, who yesterday threatened legal action against Michael, telling him that Muro was going to save Lindsay.

Lindsay's mother was also worried about her relationship with Samantha Ronson, telling Michael she thought Lindsay should walk away, but it wasn't that easy.

"It's [not that easy] for an irrational person who has a problem with her DNA and alcohol and Adderall and asthma and every other things she's got wrong with her."

So true. Click to listen to Dina's phone call to Michael ...

Dina Lohan Phone Tape